Hot-water boiler



April 21, 1925. 1,534,150

c. G. ADAMS HOT WATER BOILER I Filed Oct. 2, 1922 2 Sheets-Sheet 1 \A/JIEEEEES 1E1 Charles GafeAdams I J dwmmw y y April 21, 1925.

' C. G. ADAMS HOT WATER BOILER F116 001.- 2, 1922 2 Sheets-Sheet 2 we UFK Char/Gale Adams EE'EEE i atented Apr... 21, 1925.,

"imam- =H CHARLES GALE ADAIS'IS, OF JULIET, ILLINOIS.

HOT-'WATE-R EOIELEB.

Application filed October 2, 1922. Serial No. 591,?14.

dent of the city of Joliet, in the county of l Vill and State of Illinois, have invented certain new and useful Improvements in a l iot-lWater Boiler; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to, the accompanying drawings, and to the numerals of reference marked thereon, which form part of this specification.

This invention rela es to a new and useful Water heating boiler built up of boiler plate in such a way as to reduce the number of parts'and the length number of joints to minimum as well as producing a reliable and economical heating boiler.

Heretofore hot water boilers have been made of cast iron sections, either horizontally or vertically jointed and the assembly thereof has been much more expensive than the factory assembly costs of a welded seam boiler such as disclosed herein. the present day cast iron boilers are extremely difficult to clean because of the many joints and tortuous passages therein.

It is an object of this invention to provide a steel boiler suitable for residential use that will be as simple, compact and easily cleaned as possible.

It is a further object of this invention to construct a practically all-steel boiler with the fewest-possible seams and'therefore a boiler that may be practically manufactured to sell at reasonable price especially in comparison with the cost of cast iron heating plants.

It is an important object of this invention to provide a compact and light boiler that may be sold and installed as a unit rather than a number of sections that require highly skilled labor forassembling in place.

It is a further important object of this invention to provide a completely waterjacketed firebox, and to pass the flue gases therefrom twice through the hottest Water at the top of the furnace thus utilizing as much as possible of the heat evolved by the fuel burned. g

It is avery important object of this invention to so design a heating boiler that it i can be built up of welded plates with only the doors and door frames made of cast metal.

Other and further important obyects of l I elded Moreover,

this invention will be apparent from the disclosures of the drawings and specificaticn.

The invention (in a preferred form) is illustrated in the drawings and hereinafter more fully described.

.On the drawings:

Figure l is a front elevation of a boiler embodying the preferred form of this invention. V

Figure 2 is a side elevation thereof.

Figure 3 is a top plan View thereof.

Figure l is a section on the line ll of l igure 3.

Figure 5 is a section on the line 5-5 of Figure 4.

Figure 6. is a section on the line 6-6 of l igure 4.

Figure 7 1s a section on the linei7-l of Figure i.

ills-shown on the drawings:

The reference numeral 1 denotes a base and ash pit, supporting grate bars 2, as Well the boiler proper. This ash pit is of course provided with a door 3 to permit removal of the ashes. The boiler proper coinprises a unitary outer shell 4: fitted with a char-g- 9; door franc 5 and door 6 at the proper height with reference to the grate. inside the shell i and coaxial therewith is an inner shell or firebox '7 having an annular ring 8 welded to its bottom and to the bottom of the outer shell to completely close the same. Fillers 9 are also of course inserted between the inner and outer shells at the charging door opening.

A crown sheet 1O slanting upwardly from the top of the charging door frame is apertured for a plurality of lines 11, and is welded to the top of the inner shell 7, thus forming acompletely water-jacketed lire- OOX. The lines lllead upwardly to a tube sheet '12 located at the front and top of the outer shell, which in connection with cover or frame secured to the outer shell, forms chamber 18 leading to a second set of horizontal lines leading through to a. smoke be 15 formed at the back of the boiler, where sinolze stack connection 16 is located. The front smoke box or chamber 13 is provided with cleaning doors 1? and 18 to permit the use of flue brushes through the various boiler fines.

The boiler is completed by the addition of a. cold water supply connection 19 near the bottom of the outer shell and a hot walit) gases from the'burning fuel on the grate bars 2 Will pass upwardly through the nearly vertical fines 11 into the front smoke box or chamber 13 and thence through the hori- Zont-al flues 1% into the rear smoke box 15 and into the stack or chimney through the connection 16. The Water 1n the boiler Wlll have a natural circulation from the bottom upwardly aroundthe flues' 11 and 14.

The boiler of this invention may be conveniently adapted for use as a garbage burnera-nd may also be used as a steam boiler by embodying slight modifications.

It Will be apparent that by the provision of astructure embodying this invention it is possible to'proouce boilers and the like which are entirely free from rivet which are strong in construction, andv which may beeconomieally manufactured.

y I am aware that numerous details of construction may be varied through a wide range ithout departing from the principles of this invention, and I therefore do not purpose limiting the patent granted otherwise than necessitated by the prior art.

I claim as my invention:

1. In a water heating boiler, a cylindrical outer steel shell, an inner steel shell coaxial per portion of said smoke box, a second smoke box and chimney connection near the top and rear of said outer shell, and hori- Zontal fines leading from the lower portion of said first mentionedsinokebox to said secondsinoke box.

and;

device ofthe class described, comprising a welded outer jacket, a Welded inner shell forming in connection with g ate bars a fire boa, means connccting said jacket and said shell totorm a water jacket around said shell, a Welded crown sheet on said jacket, a crown sheet secured thereabove forming a. compartment at the front and top of said jacket, a plurality of sul'istantially vertical fines leading ifroin-said firebox to the upperportioniof said coinpartment, and vhorizontal fines leading from the lower portion oi";said.compartment to an outlet Welded to the rear of said j acket;

in testimony whereof I have hereunto subscribed my name in the presence oftwo subscribing witnesses.

CHlLl'tLES GALE ADAMS.

Witnesses Enron F. Knunonn, OAnL'roN HILL. 

